rci rco rcp rcr rcs rcu rda rdc rdd rde rdh rdi rdo rdp rdr rds rdu re- rea rec red ree reh rei reo rep rer res reu rh- rha rhc rhd rhe rhh rhi rho rhp rhr rhs rhu ria ric rid rie rih rii rio rip rir ris roa roc rod roe roh roi roo rop ror ros rou rpa rpc rpd rpe rph rpi rpo rpp rpr rps rpu rra rrc rrd rrh rri rrp rrr rrs rru rsa rsc rsd rse rsh rsi rso rsp rsr rss rsu rua ruc rud rue ruh rui ruo rup rur rus ruu saa sac sad sae sah sai sao sap sar sas sau sca scc scd sce sch sci sco scp scr scs scu sda sdc sdd sde sdh sdi sdo sdp sdr sds sdu se- sea sec sed see seh sei seo sep ser ses seu sh- sha shc shd she shh shi sho shp shr shs shu sia sic sid sie sih sii sio sip sir sis siu soa soc sod soe soh soi soo sop sor sos sou spa spc spd spe sph spi spo spp spr sps spu sr- sra src srd sre srh sri sro srp srr srs ss- ssa ssc ssd sse ssh ssi sso ssp ssr sss ssu sua suc sud sue suh sui suo sup sur sus suu ua- uaa uac uad uae uah uai uao uap uar uas uau uca ucc ucd uce uch uci uco ucp ucr ucs ucu uda udc udd ude udi udo udp udr uds udu uea uec ued uee ueh uei uep uer ues uha uhc uhd uhe uhh uhi uho uhp uhr uhs uhu uia uic uid uie uii uio uip uir uis uiu uoa uoc uod uoe uoo uop uor uos up- upa upc upd upe uph upi upo upp upr ups upu ur- ura urc urd ure uri uro urp urr urs uru usa usc usd use ush usi uso usp usr uss usu uua uuc uue uur uus uuu